Flieg' Vogel fliege (German for "Fly Bird Fly") is the ninth solo album by keyboardist Hans-Joachim Roedelius, best known for his work with Cluster, Harmonia, and Aquarello.

According to Roedelius biographer Stephen Iliffe this album is also titled Selbstportrait IV, but that name does not appear on the album sleeve or label.

Two tracks, "Flieg Vogel fliege" and "Auf auf und davon" (retitled as "Auf und Davon") were included on the Sky Records compilation Auf leisen Sohlen - Das Beste Von H. J. Roedelius (1978 - 1982) which was first released on LP in 1984 and reissued on CD in 1994.

The complete album was reissued by the Bureau B label in 2014.

Like the previous three Selbstportrait recordings, the music of Flieg' Vogel fliege is largely gentle and introspective ambient or new age music.